Cat3550-EMI
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CORE#sh ip route
Gateway of last resort is 172.20.5.33 to network 0.0.0.0
C 172.16.0.0/16 is directly connected, Vlan10
C 172.20.0.0/16 is directly connected, Vlan1
S* 0.0.0.0/0 [1/0] via 172.20.5.33
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CORE#sh vlan
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Fa0/2, Fa0/3, Fa0/4.......
10 Net_172.16.0.0 active Fa0/10
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Clients PCs places on
-Fa0/2 = PC1 ( VLAN1,172.20.11.9, default gateway - 172.20.5.1)
-Fa0/10 = PC2 ( VLAN1,172.16.11.9, default gateway - 172.16.5.1)
- Fa0/3 = Firewall (VLAN1,172.20.5.33-to LAN,default gateway - none; 194.B.C.D-to WAN, default gateway - 194.B.C.1)
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#sh run
......
!
interface Vlan1
ip address 172.20.5.1 255.255.0.0
!
interface Vlan10
ip address 172.16.5.1 255.255.0.0
!
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PC1 can ping PC2 and Firewall
PC2 can ping PC1 but can't ping Firewall
=> Firewall is not accessable for computers from diffrent VLANs ( which is not in VLAN1).
How to resolve it?